Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSVOLKSWAGEN1999GTI (1W1) V6-2.8L (AAA)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTEMISSION CONTROL SYSTEMSAIR INJECTIONLOCATIONS
1999 Volkswagen GTI (1W1) V6-2.8L (AAA)
Air Injection: Locations
1999 Volkswagen GTI (1W1) V6-2.8L (AAA)SECTION Locations
1. Secondary Air Injection (AIR) pump motor -V101-
2. Lifting eye
- On left cylinder head
3. Bracket
- For secondary air injection pump motor -1- and secondary air injection solenoid valve -7-
4. 25 Nm (18 ft lb.)
5. Connector
- 2-pin
6. 10 Nm (7 ft lb.)
7. Secondary Air Injection (AIR) solenoid valve -N112-
8. Vacuum hose
- To upper intake manifold or bus bar
9. Vacuum hose
- From secondary air injection solenoid valve -7- to combination valve -13-
10. Intake hose
- Check for secure fit
- To loosen, compress mounting clamp and remove
11. Pressure hose
- Check for secure fit
- To loosen, compress mounting clamp and remove
12. To air cleaner
13. Combi-valve
14. 15 Nm (11 ft lb.)
15. O-ring
- Always replace
16. Air channel
- In cylinder head
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.